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Finding the Third Proportional to 330,591.75 and 716,155.50

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Solution

The third proportional to 330,591.75 and 716,155.50 is: 1,551,395.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,591.75 : 716,155.50 = 716,155.50 : x
  2. Step 2: Convert to fraction form
    330,591.75/716,155.50 = 716,155.50/x
  3. Step 3: Cross multiply
    330,591.75x = 716,155.50 × 716,155.50
  4. Step 4: Simplify right side
    330,591.75x = 512,878,700,180.25
  5. Step 5: Solve for x
    x = 512,878,700,180.25/330,591.75
  6. Step 6: Final answer
    x = 1,551,395.94

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.